Engineering reminiscences contributed to "Power" and "American machinist" (1908)
Porter, Charles T. (Charles Talbot), 1826-1910 · New York, J. Wiley · leaf 144
seful. To this strap I added a wiper for lubricating the cross-headpin automatically. The drop of oil hung from the center of aconvex surface provided above the wiper. The latter was in-clined forward, and its edge partook of the vibration of the con-necting-rod. On the backward stroke this edge… … Connecting-rod and Strap. always been made of brass. The latter was fitted in a cast-ironchamber, and, expanding more than the iron, was apt to workloose. I disused brass entirely, employing a cast-iron valve inthe cast-iron seat. These always remained perfectly tight, show-ing the additional cost…